today kim jong un, the youngest son of kim jong-il, was appointed to the position of four-star general. now that's about all we do know about him. we think he's about 26 years old. we think he's studied in switzerland. we know very little about his personality. and in fact, the two photographs which we think are available of him, some people dispute whether, indeed, they are of him at all. now he's the youngest son, perhaps 26, perhaps 27. very little is known about him, about how he would rule korea. korea, don't forget, north korea, nuclear armed. but it's perhaps a measure of the desperation of the dear leader that, in fact, he is now pushing his son. of course, it doesn't say much about the state of his health either, savannah. >> that's for sure. >> ian williams. it seems that may be the case.